/*-----------------------------------------------------------------------/
/  Low level disk interface modlue include file   (C)ChaN, 2014          /
/-----------------------------------------------------------------------*/

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
#endif

#define _USE_WRITE    1    /* 1: Enable disk_write function */
#define _USE_IOCTL    1    /* 1: Enable disk_ioctl function */

#include "integer.h"


/* Status of Disk Functions */
typedef BYTE    DSTATUS;

/* Results of Disk Functions */
typedef enum {
    RES_OK = 0,        /* 0: Successful */
    RES_ERROR,        /* 1: R/W Error */
    RES_WRPRT,        /* 2: Write Protected */
    RES_NOTRDY,        /* 3: Not Ready */
    RES_PARERR        /* 4: Invalid Parameter */
} DRESULT;


/*---------------------------------------*/
/* Prototypes for disk control functions */


DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
DWORD get_fattime (void);

/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT        0x01    /* Drive not initialized */
#define STA_NODISK        0x02    /* No medium in the drive */
#define STA_PROTECT        0x04    /* Write protected */


/* Command code for disk_ioctrl fucntion */

/* Generic command (Used by FatFs) */
#define CTRL_SYNC        0    /* Complete pending write process (needed at _FS_READONLY == 0) */
#define GET_SECTOR_COUNT    1    /* Get media size (needed at _USE_MKFS == 1) */
#define GET_SECTOR_SIZE        2    /* Get sector size (needed at _MAX_SS != _MIN_SS) */
#define GET_BLOCK_SIZE        3    /* Get erase block size (needed at _USE_MKFS == 1) */
#define CTRL_TRIM        4    /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */

/* Generic command (Not used by FatFs) */
#define CTRL_POWER            5    /* Get/Set power status */
#define CTRL_LOCK            6    /* Lock/Unlock media removal */
#define CTRL_EJECT            7    /* Eject media */
#define CTRL_FORMAT            8    /* Create physical format on the media */

/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE        10    /* Get card type */
#define MMC_GET_CSD            11    /* Get CSD */
#define MMC_GET_CID            12    /* Get CID */
#define MMC_GET_OCR            13    /* Get OCR */
#define MMC_GET_SDSTAT        14    /* Get SD status */

/* ATA/CF specific ioctl command */
#define ATA_GET_REV            20    /* Get F/W revision */
#define ATA_GET_MODEL        21    /* Get model name */
#define ATA_GET_SN            22    /* Get serial number */

#ifdef __cplusplus
}
#endif

#endif
